<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta name="keywords" content="撒旦,asda">
    <title>Document</title>
    <link href="css/base.css" rel="stylesheet">
    <link rel="icon" href="img/1.jpg">
    <style>
        a{
            text-decoration : none;
            cursor: default;
            color: rgb(49, 199, 99);
        }
    </style>
    <script>
        var x = "101234567891234562";
        var test02 = /^1[0-5]\d{16}$/
        console.log(test02.test(x)); 

        var y = "261234567891234567s";
        var test03 = /^(30|2[5-9])\d{16}$/
        console.log(test03.test(y)); 

        var z = "6212345678912345678";
        var test15 = /^62\d{17}/
        console.log(test15.test(z)); 
    </script>
</head>
<body>
    <a href="index.html">我是一个超链接</a>

</body>
</html>